<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.9.4"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Flow-IPC: transport/sync_io/native_socket_stream_acceptor.hpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr id="projectrow">
  <td id="projectalign">
   <div id="projectname">Flow-IPC<span id="projectnumber">&#160;1.0.2</span>
   </div>
   <div id="projectbrief">Flow-IPC project: Full implementation reference.</div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.4 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search",'Search','.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() {
  initMenu('',true,false,'search.php','Search');
  $(document).ready(function() { init_search(); });
});
/* @license-end */
</script>
<div id="main-nav"></div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div id="nav-path" class="navpath">
  <ul>
<li class="navelem"><a class="el" href="dir_0c017496b493ff066fbbe686970307ba.html">transport</a></li><li class="navelem"><a class="el" href="dir_00580eb0cf40d799755587f5d56ed1cf.html">sync_io</a></li>  </ul>
</div>
</div><!-- top -->
<div class="header">
  <div class="headertitle"><div class="title">native_socket_stream_acceptor.hpp</div></div>
</div><!--header-->
<div class="contents">
<a href="sync__io_2native__socket__stream__acceptor_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/* Flow-IPC: Core</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * Copyright 2023 Akamai Technologies, Inc.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Licensed under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * &quot;License&quot;); you may not use this file except in</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * compliance with the License.  You may obtain a copy</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * of the License at</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *   https://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> *</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * Unless required by applicable law or agreed to in</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * writing, software distributed under the License is</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * See the License for the specific language governing</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * permissions and limitations under the License. */</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"></span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">/// @file</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"></span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">#include &quot;<a class="code" href="transport__fwd_8hpp.html">ipc/transport/transport_fwd.hpp</a>&quot;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#include &quot;<a class="code" href="native__socket__stream__acceptor_8hpp.html">ipc/transport/native_socket_stream_acceptor.hpp</a>&quot;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#include &quot;<a class="code" href="detail_2asio__local__stream__socket__fwd_8hpp.html">ipc/transport/detail/asio_local_stream_socket_fwd.hpp</a>&quot;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="preprocessor">#include &quot;<a class="code" href="detail_2util__fwd_8hpp.html">ipc/util/detail/util_fwd.hpp</a>&quot;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="preprocessor">#include &quot;<a class="code" href="sync__io__fwd_8hpp.html">ipc/util/sync_io/sync_io_fwd.hpp</a>&quot;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="preprocessor">#include &quot;<a class="code" href="asio__waitable__native__hndl_8hpp.html">ipc/util/sync_io/asio_waitable_native_hndl.hpp</a>&quot;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#include &quot;<a class="code" href="ipc__core_2src_2ipc_2transport_2error_8hpp.html">ipc/transport/error.hpp</a>&quot;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceipc_1_1transport_1_1sync__io.html">ipc::transport::sync_io</a></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span>{</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment">// Types.</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment"></span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment">/**</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment"> * `sync_io`-pattern counterpart to async-I/O-pattern transport::Native_socket_stream_acceptor.</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment"> *</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment"> * @see util::sync_io doc header -- describes the general `sync_io` pattern we are following.</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment"> * @see transport::Native_socket_stream_acceptor -- generally all notes, other than the mechanism of how</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment"> *      async_accept() reports readiness, in that doc header apply here.</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment"> *</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment"> * As is generally the case when choosing `sync_io::X` versus `X`, we recommend using `X` due to it being easier.</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment"> * In this particular case (see below) there is no perf benefit to using `sync_io::X`, either, so the only reason</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment"> * to use `sync_io::X` in this case would be because you&#39;ve got an old-school reactor event loop with</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment"> * a `poll()` or `epoll_wait()`, in which case the `sync_io` API may be easier to integrate.</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment"> *</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment"> * ### Internal implementation ###</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment"> * Normally this would not be in the public docs for this public-use class, but indulge us.</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment"> *</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment"> * In perf-critical situations, such as the various transport::Blob_sender / transport::Blob_receiver / etc.</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment"> * impls, typically `sync_io::X` contains the core implementation, then `X` adapts a `sync_io::X` *core*</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment"> * to provide background-thread-driven work and signaling of completion.  We do not consider</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment"> * the present `X = Native_socket_stream_acceptor` to be perf-critical; as such as of this writing</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment"> * transport::Native_socket_stream_acceptor has the logic, while sync_io::Native_socket_stream_acceptor</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment"> * adapts it into the `sync_io` pattern.  Internally this is accomplished using an unnamed IPC-pipe, where</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment"> * an internal background thread W tickles said IPC-pipe which is waited-on by the user of</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment"> * sync_io::Native_socket_stream_acceptor.</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment"> */</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html">   58</a></span><span class="keyword">class </span><a class="code hl_class" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html">Native_socket_stream_acceptor</a> :</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>  <span class="keyword">public</span> flow::log::Log_context,</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>  <span class="keyword">private</span> boost::noncopyable</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>{</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>  <span class="comment">// Types.</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment"></span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment">  /// Short-hand for type of target peer-socket objects targeted by async_accept().</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a6a635d61ded08e27d9ce97c38942d6d0">   66</a></span><span class="comment"></span>  <span class="keyword">using </span><a class="code hl_class" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream.html">Peer</a> = <a class="code hl_typedef" href="classipc_1_1transport_1_1Native__socket__stream.html#a850af22a95f27d8696b9b5bca15454b5">transport::Native_socket_stream::Sync_io_obj</a>;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="comment"></span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="comment">  /// You may disregard.</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#aed9d578ac0c49fe2df4d1812060d7937">   69</a></span><span class="comment"></span>  <span class="keyword">using </span><a class="code hl_class" href="classipc_1_1transport_1_1Null__peer.html">Sync_io_obj</a> = <a class="code hl_class" href="classipc_1_1transport_1_1Null__peer.html">Null_peer</a>;<span class="comment"></span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment">  /// Useful for generic programming, the async-I/O-pattern counterpart to `*this` type.</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#aed1f13c93646250559c63790d1b30e87">   71</a></span><span class="comment"></span>  <span class="keyword">using </span><a class="code hl_class" href="classipc_1_1transport_1_1Native__socket__stream__acceptor.html">Async_io_obj</a> = <a class="code hl_class" href="classipc_1_1transport_1_1Native__socket__stream__acceptor.html">transport::Native_socket_stream_acceptor</a>;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>  <span class="comment">// Constants.</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment"></span> </div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment">  /// Shared_name relative-folder fragment (no separators) identifying this resource type.</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a63bd81a0741e15220f7df1da4aca7f10">   76</a></span><span class="comment"></span>  <span class="keyword">static</span> <span class="keyword">const</span> <a class="code hl_class" href="classipc_1_1util_1_1Shared__name.html">Shared_name</a> <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a63bd81a0741e15220f7df1da4aca7f10">S_RESOURCE_TYPE_ID</a>;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>  <span class="comment">// Constructors/destructor.</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment"></span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment">   * All notes from #Async_io_obj API counterpart API apply.  However, additionally, per `sync_io` pattern,</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment">   * you&#39;ll need to invoke start_accept_ops() (possibly preceded by replace_event_wait_handles())</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment">   * before further real work.</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">   *</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="comment">   * If `err_code` is not null, and this emits truthy `*err_code`, then any use of `*this` other</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="comment">   * than destruction =&gt; undefined behavior.</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment">   *</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment">   * @param logger_ptr</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment">   *        See #Async_io_obj API.</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment">   * @param absolute_name</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment">   *        See #Async_io_obj API.</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="comment">   * @param err_code</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment">   *        See #Async_io_obj API.</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment">   */</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>  <span class="keyword">explicit</span> <a class="code hl_function" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a05f101c91a2c6b5c393b8036c5379939">Native_socket_stream_acceptor</a>(flow::log::Logger* logger_ptr, <span class="keyword">const</span> <a class="code hl_class" href="classipc_1_1util_1_1Shared__name.html">Shared_name</a>&amp; <a class="code hl_function" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a3f3c6aaad86a505961beb8e242fc1dff">absolute_name</a>,</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>                                         <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code = 0);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment"></span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment">   * All notes from #Async_io_obj API counterpart API apply, except that no completion handler(s) are fired,</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment">   * even if an async-accept is currently outstanding.</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="comment">   */</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a0cdeeaf2aa630a6d91ffaae12ec57a25">  102</a></span>  <a class="code hl_function" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a0cdeeaf2aa630a6d91ffaae12ec57a25">~Native_socket_stream_acceptor</a>();</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>  <span class="comment">// Methods.</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="comment"></span> </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="comment">   * All notes from #Async_io_obj API counterpart API apply.</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="comment">   *</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment">   * @return See above.</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment">   */</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>  <span class="keyword">const</span> <a class="code hl_class" href="classipc_1_1util_1_1Shared__name.html">Shared_name</a>&amp; <a class="code hl_function" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a3f3c6aaad86a505961beb8e242fc1dff">absolute_name</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment"></span> </div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="comment">   * Sets up the `sync_io`-pattern interaction between `*this` and the user&#39;s event loop; required before</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment">   * async_accept() will work (as opposed to no-op/return `false`).</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment">   *</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment">   * `ev_wait_func()` -- with signature matching util::sync_io::Event_wait_func -- is a key function memorized</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="comment">   * by `*this`.  It shall be invoked by `*this` operations when some op cannot complete synchronously and requires</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment">   * a certain event (readable/writable) to be active on a certain native-handle.</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="comment">   *</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="comment">   * @see util::sync_io::Event_wait_func doc header for useful and complete instructions on how to write an</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="comment">   *      `ev_wait_func()` properly.  Doing so correctly is the crux of using the `sync_io` pattern.</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="comment">   *</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment">   * This is a standard `sync_io`-pattern API per util::sync_io doc header.</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="comment">   *</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span><span class="comment">   * @tparam Event_wait_func_t</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span><span class="comment">   *         Function type matching util::sync_io::Event_wait_func.</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="comment">   * @param ev_wait_func</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="comment">   *        See above.</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment">   * @return `false` if this has already been invoked; no-op logging aside.  `true` otherwise.</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="comment">   */</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Event_wait_func_t&gt;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a063d1a4161fb0f9340567b202bdcd83f">start_accept_ops</a>(Event_wait_func_t&amp;&amp; ev_wait_func);</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="comment"></span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="comment">   * Analogous to transport::sync_io::Native_handle_sender::replace_event_wait_handles().</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment">   *</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">   * @tparam Create_ev_wait_hndl_func</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment">   *         See above.</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment">   * @param create_ev_wait_hndl_func</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="comment">   *        See above.</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="comment">   * @return See above.</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="comment">   */</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Create_ev_wait_hndl_func&gt;</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ad0773dd896a3b607299ba7e5e153972c">replace_event_wait_handles</a>(<span class="keyword">const</span> Create_ev_wait_hndl_func&amp; create_ev_wait_hndl_func);</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment"></span> </div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment">   * Starts background attempt at a peer connection being established, contingent on the user reporting</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="comment">   * (via `sync_io` pattern) the necessary native handle event(s); completion handler `on_done_func()` shall</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="comment">   * execute synchronously during such a future report.  Or perhaps in plainer English:</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="comment">   *   -# Call this.</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="comment">   *      -# It will synchronously invoke util::sync_io::Event_wait_func from start_accept_ops(),</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span><span class="comment">   *         causing you to synchronously begin an async-wait for some status of some native handle (FD).</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="comment">   *   -# Once that async-wait completes, call `(*on_active_ev_func)()` to report that fact to `*this`.</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><span class="comment">   *      -# It will synchronously invoke `on_done_func()` saved from the present call,</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="comment">   *         indicating via the `Error_code` arg success or failure.  The semantics of this are equivalent</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment">   *         to those of #Async_io_obj `async_accept()`.</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment">   *</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="comment">   * @note There is no mode of async_accept() wherein `*target_peer` is synchronously (immediately) available.</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="comment">   *       Completion shall always be reported via `on_done_func()` after a mandatory async-wait.</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="comment">   *       This is in contrast to perf-critical operations such as, say, Native_socket_stream::async_receive_blob().</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span><span class="comment">   *</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="comment">   * @tparam Task_err</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="comment">   *         See #Async_io_obj API.</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="comment">   * @param target_peer</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="comment">   *        See #Async_io_obj API.</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="comment">   * @param on_done_func</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="comment">   *        See #Async_io_obj API.</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="comment">   * @return `true` if op started; `false` if one is already in progress, and therefore this one is ignored (no-op).</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="comment">   */</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Task_err&gt;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ade5271c427a9ed514555482cc2509ed9">async_accept</a>(<a class="code hl_class" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream.html">Peer</a>* target_peer, Task_err&amp;&amp; on_done_func);</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>  <span class="comment">// Types.</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span><span class="comment"></span> </div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span><span class="comment">  /// Short-hand for callback called on new peer-to-peer connection; or on unrecoverable error.</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a2bed5774f110f420bba39cdbdfa974ce">  178</a></span><span class="comment"></span>  <span class="keyword">using </span><a class="code hl_typedef" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a2bed5774f110f420bba39cdbdfa974ce">On_peer_accepted_func</a> = flow::async::Task_asio_err;</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>  <span class="comment">// Data.</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span><span class="comment"></span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span><span class="comment">   * The `Task_engine` for `m_ready_*`.  It is necessary to construct those pipe-end objects, but we never</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span><span class="comment">   * use that guy&#39;s `-&gt;async_*()` APIs -- only non-blocking operations, essentially leveraging boost.asio&#39;s</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span><span class="comment">   * portable transmission APIs but not its actual, um, async-I/O abilities in this case.  Accordingly we</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span><span class="comment">   * never load any tasks onto #m_nb_task_engine and certainly never `.run()` (or `.poll()` or ...) it.</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span><span class="comment">   *</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="comment">   * In the `sync_io` pattern the user&#39;s outside event loop is responsible for awaiting readability/writability</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span><span class="comment">   * of a guy like #m_ready_reader via our exporting of its `.native_handle()`.</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="comment">   */</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#acba365c9bf40f0eff62e50ce18b90464">  191</a></span>  flow::util::Task_engine <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#acba365c9bf40f0eff62e50ce18b90464">m_nb_task_engine</a>;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="comment"></span> </div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="comment">   * The `Task_engine` for #m_ev_wait_hndl, unless it is replaced via replace_event_wait_handles().</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="comment">   *</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="comment">   * This is to fulfill the `sync_io` pattern.</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="comment">   */</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a92204271b30221bbb46bea5a6dc5b20a">  198</a></span>  flow::util::Task_engine <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a92204271b30221bbb46bea5a6dc5b20a">m_ev_hndl_task_engine_unused</a>;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="comment"></span> </div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="comment">   * Read-end of IPC-pipe used by `*this` user do detect that an acceptability-wait has completed.  The signal byte</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span><span class="comment">   * is read out of #m_ready_reader, making it empty again (the steady-state before the next time acceptability-wait</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span><span class="comment">   * begins, and a byte is written to it making it non-empty).</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span><span class="comment">   *</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="comment">   * @see #m_ready_writer.</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="comment">   */</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a80ab7afeab9753497d92a0af1f3f9610">  207</a></span>  <a class="code hl_typedef" href="namespaceipc_1_1util.html#aaf368acf8243bb25de3eef4e836c15de">util::Pipe_reader</a> <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a80ab7afeab9753497d92a0af1f3f9610">m_ready_reader</a>;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span><span class="comment"></span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span><span class="comment">   * Write-end of IPC-pipe together with #m_ready_reader.</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span><span class="comment">   * @see #m_ready_reader.</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span><span class="comment">   */</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ada90b100aa98cd6ca5853d88f2fff993">  213</a></span>  <a class="code hl_typedef" href="namespaceipc_1_1util.html#a844d5ca9c17b672644fc8d9dbe758db0">util::Pipe_writer</a> <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ada90b100aa98cd6ca5853d88f2fff993">m_ready_writer</a>;</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="comment"></span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span><span class="comment">   * Descriptor waitable by outside event loop async-waits -- storing the same `Native_handle` as (and thus being</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span><span class="comment">   * used to wait on events from) #m_ready_reader.</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span><span class="comment">   */</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ad9546dcd26e1f0566f9662a88a1a6dbe">  219</a></span>  <a class="code hl_class" href="classipc_1_1util_1_1sync__io_1_1Asio__waitable__native__handle.html">util::sync_io::Asio_waitable_native_handle</a> <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ad9546dcd26e1f0566f9662a88a1a6dbe">m_ev_wait_hndl</a>;</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span><span class="comment"></span> </div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span><span class="comment">   * Function (set forever in start_accept_ops()) through which we invoke the outside event loop&#39;s</span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span><span class="comment">   * async-wait facility for descriptors/events relevant to our ops.  See util::sync_io::Event_wait_func</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span><span class="comment">   * doc header for a refresher on this mechanic.</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span><span class="comment">   */</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a42946f27cfa62a6bb36a96d0cbb91b1e">  226</a></span>  <a class="code hl_typedef" href="namespaceipc_1_1util_1_1sync__io.html#aa0b9a3cc6bdc7dedbef4f9e06851aa24">util::sync_io::Event_wait_func</a> <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a42946f27cfa62a6bb36a96d0cbb91b1e">m_ev_wait_func</a>;</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span><span class="comment"></span> </div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span><span class="comment">   * `on_done_func` from async_accept() if one is pending; otherwise `.empty()`.  We maybe could have kept it as</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span><span class="comment">   * a lambda capture only, but this way it can double as a guard against allowing 2+ async-accepts (which goes</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span><span class="comment">   * against the spirit of what `sync_io`-pattern objects provide).</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span><span class="comment">   */</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#afd7b88291beb56fa3d7fe2230f49249b">  233</a></span>  <a class="code hl_typedef" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a2bed5774f110f420bba39cdbdfa974ce">On_peer_accepted_func</a> <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#afd7b88291beb56fa3d7fe2230f49249b">m_on_done_func_or_empty</a>;</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span><span class="comment"></span> </div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span><span class="comment">  /// Result of last `m_async_io.async_accept()`.</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#acbb3682fbd1502d4fa3952133d956547">  236</a></span><span class="comment"></span>  <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a> <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#acbb3682fbd1502d4fa3952133d956547">m_target_err_code</a>;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span><span class="comment"></span> </div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span><span class="comment">  /// This guy does all the work.  We merely report async_accept() completion via #m_ready_reader and #m_ready_writer.</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a9788dc2f0f1b4f8f9285402df02523f4">  239</a></span><span class="comment"></span>  <a class="code hl_class" href="classipc_1_1transport_1_1Native__socket__stream__acceptor.html">Async_io_obj</a> <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a9788dc2f0f1b4f8f9285402df02523f4">m_async_io</a>;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>}; <span class="comment">// class Native_socket_stream_acceptor</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span><span class="comment">// Free functions: in *_fwd.hpp.</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span> </div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span><span class="comment">// Template implementations.</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span> </div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Task_err&gt;</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ade5271c427a9ed514555482cc2509ed9">  247</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ade5271c427a9ed514555482cc2509ed9">Native_socket_stream_acceptor::async_accept</a>(<a class="code hl_class" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream.html">Peer</a>* target_peer, Task_err&amp;&amp; on_done_func)</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>{</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>  <span class="keyword">using </span><a class="code hl_typedef" href="namespaceipc_1_1util.html#a31e67d3a017477a04b313927e2f2c733">util::Task</a>;</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span> </div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>  <span class="keywordflow">if</span> (!<a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#afd7b88291beb56fa3d7fe2230f49249b">m_on_done_func_or_empty</a>.empty())</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>  {</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>    FLOW_LOG_WARNING(<span class="stringliteral">&quot;Acceptor [&quot;</span> &lt;&lt; *<span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: Async-accept requested, but one is already in progress.  Ignoring.&quot;</span>);</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>  }</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>  <span class="comment">// else</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span> </div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>  <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#afd7b88291beb56fa3d7fe2230f49249b">m_on_done_func_or_empty</a> = std::move(on_done_func);</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span> </div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>  <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a9788dc2f0f1b4f8f9285402df02523f4">m_async_io</a>.<a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream__acceptor.html#a81426af495ba5a9c832d1ba35fe23ba5">async_accept</a>(target_peer, [<span class="keyword">this</span>](<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>&amp; err_code)</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>  {</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>    <span class="keywordflow">if</span> (err_code == <a class="code hl_enumvalue" href="namespaceipc_1_1transport_1_1error.html#adfef15ef4e76cc55d652fbd9c2797297afe29343445a7bf167cc186a44bd2c6ed">error::Code::S_OBJECT_SHUTDOWN_ABORTED_COMPLETION_HANDLER</a>)</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span>    {</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span>      <span class="keywordflow">return</span>; <span class="comment">// Stuff is shutting down.  GTFO.</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>    }</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>    <span class="comment">// else</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span> </div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>    FLOW_LOG_TRACE(<span class="stringliteral">&quot;Acceptor [&quot;</span> &lt;&lt; *<span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: Async-IO core async-accept done; tickling IPC-pipe to inform user.&quot;</span>);</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>    <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#acbb3682fbd1502d4fa3952133d956547">m_target_err_code</a> = err_code;</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>    <a class="code hl_function" href="namespaceipc_1_1util.html#a5429c6225cc9a271ad8c0041d99c236b">util::pipe_produce</a>(get_logger(), &amp;<a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ada90b100aa98cd6ca5853d88f2fff993">m_ready_writer</a>);</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>  }); <span class="comment">// m_async_io.async_accept()</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span> </div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>  <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a42946f27cfa62a6bb36a96d0cbb91b1e">m_ev_wait_func</a>(&amp;<a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ad9546dcd26e1f0566f9662a88a1a6dbe">m_ev_wait_hndl</a>,</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>                 <span class="keyword">false</span>, <span class="comment">// Wait for read.</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>                 boost::make_shared&lt;Task&gt;</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>                   ([<span class="keyword">this</span>]()</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>  {</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>    FLOW_LOG_INFO(<span class="stringliteral">&quot;Acceptor [&quot;</span> &lt;&lt; *<span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: Async-IO core async-accept finished: informed via IPC-pipe; &quot;</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>                  <span class="stringliteral">&quot;invoking handler.&quot;</span>);</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>    <a class="code hl_function" href="namespaceipc_1_1util.html#a814272e555c0592b0caf92b7bc3d64b3">util::pipe_consume</a>(get_logger(), &amp;<a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a80ab7afeab9753497d92a0af1f3f9610">m_ready_reader</a>);</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>    <span class="keyword">auto</span> on_done_func = std::move(<a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#afd7b88291beb56fa3d7fe2230f49249b">m_on_done_func_or_empty</a>);</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>    <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#afd7b88291beb56fa3d7fe2230f49249b">m_on_done_func_or_empty</a>.clear(); <span class="comment">// In case move() didn&#39;t do it.</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span> </div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>    on_done_func(<a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#acbb3682fbd1502d4fa3952133d956547">m_target_err_code</a>);</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>    FLOW_LOG_TRACE(<span class="stringliteral">&quot;Handler completed.&quot;</span>);</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>  }));</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span> </div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>} <span class="comment">// Native_socket_stream_acceptor::async_accept()</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span> </div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Event_wait_func_t&gt;</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a063d1a4161fb0f9340567b202bdcd83f">  294</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a063d1a4161fb0f9340567b202bdcd83f">Native_socket_stream_acceptor::start_accept_ops</a>(Event_wait_func_t&amp;&amp; ev_wait_func)</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>{</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>  <span class="keywordflow">if</span> (!<a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a42946f27cfa62a6bb36a96d0cbb91b1e">m_ev_wait_func</a>.empty())</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>  {</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>    FLOW_LOG_WARNING(<span class="stringliteral">&quot;Acceptor [&quot;</span> &lt;&lt; *<span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: Start-ops requested, &quot;</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>                     <span class="stringliteral">&quot;but we are already started.  Probably a user bug, but it is not for us to judge.&quot;</span>);</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>  }</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>  <span class="comment">// else</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span> </div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span>  <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a42946f27cfa62a6bb36a96d0cbb91b1e">m_ev_wait_func</a> = std::move(ev_wait_func);</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>  FLOW_LOG_INFO(<span class="stringliteral">&quot;Acceptor [&quot;</span> &lt;&lt; *<span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: Start-ops requested.  Done.&quot;</span>);</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>}</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span> </div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Create_ev_wait_hndl_func&gt;</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ad0773dd896a3b607299ba7e5e153972c">  310</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ad0773dd896a3b607299ba7e5e153972c">Native_socket_stream_acceptor::replace_event_wait_handles</a>(<span class="keyword">const</span> Create_ev_wait_hndl_func&amp; create_ev_wait_hndl_func)</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>{</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span>  <span class="keywordflow">if</span> (!<a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a42946f27cfa62a6bb36a96d0cbb91b1e">m_ev_wait_func</a>.empty())</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span>  {</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span>    FLOW_LOG_WARNING(<span class="stringliteral">&quot;Acceptor [&quot;</span> &lt;&lt; *<span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: Cannot replace event-wait handles after &quot;</span></div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>                     <span class="stringliteral">&quot;a start-*-ops procedure has been executed.  Ignoring.&quot;</span>);</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span>    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>  }</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span>  <span class="comment">// else</span></div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span> </div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>  FLOW_LOG_INFO(<span class="stringliteral">&quot;Acceptor [&quot;</span> &lt;&lt; *<span class="keyword">this</span> &lt;&lt; <span class="stringliteral">&quot;]: Replacing event-wait handles (probably to replace underlying &quot;</span></div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>                <span class="stringliteral">&quot;execution context without outside event loop&#39;s boost.asio Task_engine or similar).&quot;</span>);</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span> </div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span>  assert(<a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ad9546dcd26e1f0566f9662a88a1a6dbe">m_ev_wait_hndl</a>.is_open());</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span> </div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>  <a class="code hl_struct" href="structipc_1_1util_1_1Native__handle.html">Native_handle</a> saved(<a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ad9546dcd26e1f0566f9662a88a1a6dbe">m_ev_wait_hndl</a>.release());</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span>  <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ad9546dcd26e1f0566f9662a88a1a6dbe">m_ev_wait_hndl</a> = create_ev_wait_hndl_func();</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>  <a class="code hl_variable" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ad9546dcd26e1f0566f9662a88a1a6dbe">m_ev_wait_hndl</a>.<a class="code hl_function" href="classipc_1_1util_1_1sync__io_1_1Asio__waitable__native__handle.html#a7d28277f9ef090032b0483c65f79f23c">assign</a>(saved);</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span> </div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>} <span class="comment">// Native_socket_stream::Impl::replace_event_wait_handles()</span></div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span> </div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>} <span class="comment">// namespace ipc::transport::sync_io</span></div>
<div class="ttc" id="aasio__waitable__native__hndl_8hpp_html"><div class="ttname"><a href="asio__waitable__native__hndl_8hpp.html">asio_waitable_native_hndl.hpp</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream__acceptor_html"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream__acceptor.html">ipc::transport::Native_socket_stream_acceptor</a></div><div class="ttdoc">A server object that binds to a Shared_name and listens for incoming Native_socket_stream connect att...</div><div class="ttdef"><b>Definition:</b> <a href="native__socket__stream__acceptor_8hpp_source.html#l00102">native_socket_stream_acceptor.hpp:105</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream__acceptor_html_a81426af495ba5a9c832d1ba35fe23ba5"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream__acceptor.html#a81426af495ba5a9c832d1ba35fe23ba5">ipc::transport::Native_socket_stream_acceptor::async_accept</a></div><div class="ttdeci">void async_accept(Peer *target_peer, Task_err &amp;&amp;on_done_func)</div><div class="ttdoc">Asynchronously awaits for a peer connection to be established and calls on_done_func(),...</div><div class="ttdef"><b>Definition:</b> <a href="native__socket__stream__acceptor_8hpp_source.html#l00396">native_socket_stream_acceptor.hpp:396</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_html_a850af22a95f27d8696b9b5bca15454b5"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream.html#a850af22a95f27d8696b9b5bca15454b5">ipc::transport::Native_socket_stream::Sync_io_obj</a></div><div class="ttdeci">sync_io::Native_socket_stream Sync_io_obj</div><div class="ttdoc">Useful for generic programming, the sync_io-pattern counterpart to *this type.</div><div class="ttdef"><b>Definition:</b> <a href="native__socket__stream_8hpp_source.html#l00276">native_socket_stream.hpp:276</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Null__peer_html"><div class="ttname"><a href="classipc_1_1transport_1_1Null__peer.html">ipc::transport::Null_peer</a></div><div class="ttdoc">Dummy type for use as a template param to Channel when either the blobs pipe or handles pipe is disab...</div><div class="ttdef"><b>Definition:</b> <a href="ipc__core_2src_2ipc_2transport_2channel_8hpp_source.html#l00999">channel.hpp:1000</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html">ipc::transport::sync_io::Native_socket_stream_acceptor</a></div><div class="ttdoc">sync_io-pattern counterpart to async-I/O-pattern transport::Native_socket_stream_acceptor.</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00058">native_socket_stream_acceptor.hpp:61</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_a05f101c91a2c6b5c393b8036c5379939"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a05f101c91a2c6b5c393b8036c5379939">ipc::transport::sync_io::Native_socket_stream_acceptor::Native_socket_stream_acceptor</a></div><div class="ttdeci">Native_socket_stream_acceptor(flow::log::Logger *logger_ptr, const Shared_name &amp;absolute_name, Error_code *err_code=0)</div><div class="ttdoc">All notes from Async_io_obj API counterpart API apply.</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8cpp_source.html#l00031">native_socket_stream_acceptor.cpp:31</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_a063d1a4161fb0f9340567b202bdcd83f"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a063d1a4161fb0f9340567b202bdcd83f">ipc::transport::sync_io::Native_socket_stream_acceptor::start_accept_ops</a></div><div class="ttdeci">bool start_accept_ops(Event_wait_func_t &amp;&amp;ev_wait_func)</div><div class="ttdoc">Sets up the sync_io-pattern interaction between *this and the user's event loop; required before asyn...</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00294">native_socket_stream_acceptor.hpp:294</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_a0cdeeaf2aa630a6d91ffaae12ec57a25"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a0cdeeaf2aa630a6d91ffaae12ec57a25">ipc::transport::sync_io::Native_socket_stream_acceptor::~Native_socket_stream_acceptor</a></div><div class="ttdeci">~Native_socket_stream_acceptor()</div><div class="ttdoc">All notes from Async_io_obj API counterpart API apply, except that no completion handler(s) are fired...</div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_a2bed5774f110f420bba39cdbdfa974ce"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a2bed5774f110f420bba39cdbdfa974ce">ipc::transport::sync_io::Native_socket_stream_acceptor::On_peer_accepted_func</a></div><div class="ttdeci">flow::async::Task_asio_err On_peer_accepted_func</div><div class="ttdoc">Short-hand for callback called on new peer-to-peer connection; or on unrecoverable error.</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00178">native_socket_stream_acceptor.hpp:178</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_a3f3c6aaad86a505961beb8e242fc1dff"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a3f3c6aaad86a505961beb8e242fc1dff">ipc::transport::sync_io::Native_socket_stream_acceptor::absolute_name</a></div><div class="ttdeci">const Shared_name &amp; absolute_name() const</div><div class="ttdoc">All notes from Async_io_obj API counterpart API apply.</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8cpp_source.html#l00076">native_socket_stream_acceptor.cpp:76</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_a42946f27cfa62a6bb36a96d0cbb91b1e"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a42946f27cfa62a6bb36a96d0cbb91b1e">ipc::transport::sync_io::Native_socket_stream_acceptor::m_ev_wait_func</a></div><div class="ttdeci">util::sync_io::Event_wait_func m_ev_wait_func</div><div class="ttdoc">Function (set forever in start_accept_ops()) through which we invoke the outside event loop's async-w...</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00226">native_socket_stream_acceptor.hpp:226</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_a63bd81a0741e15220f7df1da4aca7f10"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a63bd81a0741e15220f7df1da4aca7f10">ipc::transport::sync_io::Native_socket_stream_acceptor::S_RESOURCE_TYPE_ID</a></div><div class="ttdeci">static const Shared_name S_RESOURCE_TYPE_ID</div><div class="ttdoc">Shared_name relative-folder fragment (no separators) identifying this resource type.</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00076">native_socket_stream_acceptor.hpp:76</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_a80ab7afeab9753497d92a0af1f3f9610"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a80ab7afeab9753497d92a0af1f3f9610">ipc::transport::sync_io::Native_socket_stream_acceptor::m_ready_reader</a></div><div class="ttdeci">util::Pipe_reader m_ready_reader</div><div class="ttdoc">Read-end of IPC-pipe used by *this user do detect that an acceptability-wait has completed.</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00207">native_socket_stream_acceptor.hpp:207</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_a92204271b30221bbb46bea5a6dc5b20a"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a92204271b30221bbb46bea5a6dc5b20a">ipc::transport::sync_io::Native_socket_stream_acceptor::m_ev_hndl_task_engine_unused</a></div><div class="ttdeci">flow::util::Task_engine m_ev_hndl_task_engine_unused</div><div class="ttdoc">The Task_engine for m_ev_wait_hndl, unless it is replaced via replace_event_wait_handles().</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00198">native_socket_stream_acceptor.hpp:198</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_a9788dc2f0f1b4f8f9285402df02523f4"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#a9788dc2f0f1b4f8f9285402df02523f4">ipc::transport::sync_io::Native_socket_stream_acceptor::m_async_io</a></div><div class="ttdeci">Async_io_obj m_async_io</div><div class="ttdoc">This guy does all the work. We merely report async_accept() completion via m_ready_reader and m_ready...</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00239">native_socket_stream_acceptor.hpp:239</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_acba365c9bf40f0eff62e50ce18b90464"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#acba365c9bf40f0eff62e50ce18b90464">ipc::transport::sync_io::Native_socket_stream_acceptor::m_nb_task_engine</a></div><div class="ttdeci">flow::util::Task_engine m_nb_task_engine</div><div class="ttdoc">The Task_engine for m_ready_*.</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00191">native_socket_stream_acceptor.hpp:191</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_acbb3682fbd1502d4fa3952133d956547"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#acbb3682fbd1502d4fa3952133d956547">ipc::transport::sync_io::Native_socket_stream_acceptor::m_target_err_code</a></div><div class="ttdeci">Error_code m_target_err_code</div><div class="ttdoc">Result of last m_async_io.async_accept().</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00236">native_socket_stream_acceptor.hpp:236</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_ad0773dd896a3b607299ba7e5e153972c"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ad0773dd896a3b607299ba7e5e153972c">ipc::transport::sync_io::Native_socket_stream_acceptor::replace_event_wait_handles</a></div><div class="ttdeci">bool replace_event_wait_handles(const Create_ev_wait_hndl_func &amp;create_ev_wait_hndl_func)</div><div class="ttdoc">Analogous to transport::sync_io::Native_handle_sender::replace_event_wait_handles().</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00310">native_socket_stream_acceptor.hpp:310</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_ad9546dcd26e1f0566f9662a88a1a6dbe"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ad9546dcd26e1f0566f9662a88a1a6dbe">ipc::transport::sync_io::Native_socket_stream_acceptor::m_ev_wait_hndl</a></div><div class="ttdeci">util::sync_io::Asio_waitable_native_handle m_ev_wait_hndl</div><div class="ttdoc">Descriptor waitable by outside event loop async-waits – storing the same Native_handle as (and thus b...</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00219">native_socket_stream_acceptor.hpp:219</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_ada90b100aa98cd6ca5853d88f2fff993"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ada90b100aa98cd6ca5853d88f2fff993">ipc::transport::sync_io::Native_socket_stream_acceptor::m_ready_writer</a></div><div class="ttdeci">util::Pipe_writer m_ready_writer</div><div class="ttdoc">Write-end of IPC-pipe together with m_ready_reader.</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00213">native_socket_stream_acceptor.hpp:213</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_ade5271c427a9ed514555482cc2509ed9"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#ade5271c427a9ed514555482cc2509ed9">ipc::transport::sync_io::Native_socket_stream_acceptor::async_accept</a></div><div class="ttdeci">bool async_accept(Peer *target_peer, Task_err &amp;&amp;on_done_func)</div><div class="ttdoc">Starts background attempt at a peer connection being established, contingent on the user reporting (v...</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00247">native_socket_stream_acceptor.hpp:247</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor_html_afd7b88291beb56fa3d7fe2230f49249b"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream__acceptor.html#afd7b88291beb56fa3d7fe2230f49249b">ipc::transport::sync_io::Native_socket_stream_acceptor::m_on_done_func_or_empty</a></div><div class="ttdeci">On_peer_accepted_func m_on_done_func_or_empty</div><div class="ttdoc">on_done_func from async_accept() if one is pending; otherwise .empty().</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream__acceptor_8hpp_source.html#l00233">native_socket_stream_acceptor.hpp:233</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream_html"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream.html">ipc::transport::sync_io::Native_socket_stream</a></div><div class="ttdoc">Implements both sync_io::Native_handle_sender and sync_io::Native_handle_receiver concepts by using a...</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream_8hpp_source.html#l00150">native_socket_stream.hpp:151</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1Shared__name_html"><div class="ttname"><a href="classipc_1_1util_1_1Shared__name.html">ipc::util::Shared_name</a></div><div class="ttdoc">String-wrapping abstraction representing a name uniquely distinguishing a kernel-persistent entity fr...</div><div class="ttdef"><b>Definition:</b> <a href="shared__name_8hpp_source.html#l00241">shared_name.hpp:242</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1sync__io_1_1Asio__waitable__native__handle_html"><div class="ttname"><a href="classipc_1_1util_1_1sync__io_1_1Asio__waitable__native__handle.html">ipc::util::sync_io::Asio_waitable_native_handle</a></div><div class="ttdoc">Useful if using the sync_io pattern within a user event loop built on boost.asio (optionally with flo...</div><div class="ttdef"><b>Definition:</b> <a href="asio__waitable__native__hndl_8hpp_source.html#l00080">asio_waitable_native_hndl.hpp:81</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1sync__io_1_1Asio__waitable__native__handle_html_a7d28277f9ef090032b0483c65f79f23c"><div class="ttname"><a href="classipc_1_1util_1_1sync__io_1_1Asio__waitable__native__handle.html#a7d28277f9ef090032b0483c65f79f23c">ipc::util::sync_io::Asio_waitable_native_handle::assign</a></div><div class="ttdeci">void assign(Native_handle hndl)</div><div class="ttdoc">Loads value to be returned by native_handle().</div><div class="ttdef"><b>Definition:</b> <a href="asio__waitable__native__hndl_8cpp_source.html#l00065">asio_waitable_native_hndl.cpp:65</a></div></div>
<div class="ttc" id="adetail_2asio__local__stream__socket__fwd_8hpp_html"><div class="ttname"><a href="detail_2asio__local__stream__socket__fwd_8hpp.html">asio_local_stream_socket_fwd.hpp</a></div></div>
<div class="ttc" id="adetail_2util__fwd_8hpp_html"><div class="ttname"><a href="detail_2util__fwd_8hpp.html">util_fwd.hpp</a></div></div>
<div class="ttc" id="aipc__core_2src_2ipc_2transport_2error_8hpp_html"><div class="ttname"><a href="ipc__core_2src_2ipc_2transport_2error_8hpp.html">error.hpp</a></div></div>
<div class="ttc" id="anamespaceipc_1_1transport_1_1error_html_adfef15ef4e76cc55d652fbd9c2797297afe29343445a7bf167cc186a44bd2c6ed"><div class="ttname"><a href="namespaceipc_1_1transport_1_1error.html#adfef15ef4e76cc55d652fbd9c2797297afe29343445a7bf167cc186a44bd2c6ed">ipc::transport::error::Code::S_OBJECT_SHUTDOWN_ABORTED_COMPLETION_HANDLER</a></div><div class="ttdeci">@ S_OBJECT_SHUTDOWN_ABORTED_COMPLETION_HANDLER</div><div class="ttdoc">Async completion handler is being called prematurely, because underlying object is shutting down,...</div></div>
<div class="ttc" id="anamespaceipc_1_1transport_1_1sync__io_html"><div class="ttname"><a href="namespaceipc_1_1transport_1_1sync__io.html">ipc::transport::sync_io</a></div><div class="ttdoc">sync_io-pattern counterparts to async-I/O-pattern object types in parent namespace ipc::transport.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2transport__fwd_8hpp_source.html#l00069">transport_fwd.hpp:70</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_1_1sync__io_html_aa0b9a3cc6bdc7dedbef4f9e06851aa24"><div class="ttname"><a href="namespaceipc_1_1util_1_1sync__io.html#aa0b9a3cc6bdc7dedbef4f9e06851aa24">ipc::util::sync_io::Event_wait_func</a></div><div class="ttdeci">Function&lt; void(Asio_waitable_native_handle *hndl_of_interest, bool ev_of_interest_snd_else_rcv, Task_ptr &amp;&amp;on_active_ev_func)&gt; Event_wait_func</div><div class="ttdoc">In sync_io pattern, concrete type storing user-supplied function invoked by pattern-implementing ipc:...</div><div class="ttdef"><b>Definition:</b> <a href="sync__io__fwd_8hpp_source.html#l00798">sync_io_fwd.hpp:800</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_a31e67d3a017477a04b313927e2f2c733"><div class="ttname"><a href="namespaceipc_1_1util.html#a31e67d3a017477a04b313927e2f2c733">ipc::util::Task</a></div><div class="ttdeci">flow::async::Task Task</div><div class="ttdoc">Short-hand for polymorphic function (a-la std::function&lt;&gt;) that takes no arguments and returns nothin...</div><div class="ttdef"><b>Definition:</b> <a href="util__fwd_8hpp_source.html#l00122">util_fwd.hpp:122</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_a5429c6225cc9a271ad8c0041d99c236b"><div class="ttname"><a href="namespaceipc_1_1util.html#a5429c6225cc9a271ad8c0041d99c236b">ipc::util::pipe_produce</a></div><div class="ttdeci">void pipe_produce(flow::log::Logger *logger_ptr, Pipe_writer *pipe)</div><div class="ttdoc">Writes a byte to the given pipe writer.</div><div class="ttdef"><b>Definition:</b> <a href="ipc__core_2src_2ipc_2util_2detail_2util_8cpp_source.html#l00067">util.cpp:67</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_a814272e555c0592b0caf92b7bc3d64b3"><div class="ttname"><a href="namespaceipc_1_1util.html#a814272e555c0592b0caf92b7bc3d64b3">ipc::util::pipe_consume</a></div><div class="ttdeci">void pipe_consume(flow::log::Logger *logger_ptr, Pipe_reader *pipe)</div><div class="ttdoc">Reads a byte via the given pipe reader.</div><div class="ttdef"><b>Definition:</b> <a href="ipc__core_2src_2ipc_2util_2detail_2util_8cpp_source.html#l00096">util.cpp:96</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_a844d5ca9c17b672644fc8d9dbe758db0"><div class="ttname"><a href="namespaceipc_1_1util.html#a844d5ca9c17b672644fc8d9dbe758db0">ipc::util::Pipe_writer</a></div><div class="ttdeci">boost::asio::writable_pipe Pipe_writer</div><div class="ttdoc">Short-hand for anonymous pipe write end.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2util__fwd_8hpp_source.html#l00032">util_fwd.hpp:32</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_aaf368acf8243bb25de3eef4e836c15de"><div class="ttname"><a href="namespaceipc_1_1util.html#aaf368acf8243bb25de3eef4e836c15de">ipc::util::Pipe_reader</a></div><div class="ttdeci">boost::asio::readable_pipe Pipe_reader</div><div class="ttdoc">Short-hand for anonymous pipe read end.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2util__fwd_8hpp_source.html#l00035">util_fwd.hpp:35</a></div></div>
<div class="ttc" id="anamespaceipc_html_aa3192e586cc45d3e7c22463bf2760f89"><div class="ttname"><a href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">ipc::Error_code</a></div><div class="ttdeci">flow::Error_code Error_code</div><div class="ttdoc">Short-hand for flow::Error_code which is very common.</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00298">common.hpp:298</a></div></div>
<div class="ttc" id="anative__socket__stream__acceptor_8hpp_html"><div class="ttname"><a href="native__socket__stream__acceptor_8hpp.html">native_socket_stream_acceptor.hpp</a></div></div>
<div class="ttc" id="astructipc_1_1util_1_1Native__handle_html"><div class="ttname"><a href="structipc_1_1util_1_1Native__handle.html">ipc::util::Native_handle</a></div><div class="ttdoc">A monolayer-thin wrapper around a native handle, a/k/a descriptor a/k/a FD.</div><div class="ttdef"><b>Definition:</b> <a href="native__handle_8hpp_source.html#l00062">native_handle.hpp:63</a></div></div>
<div class="ttc" id="async__io__fwd_8hpp_html"><div class="ttname"><a href="sync__io__fwd_8hpp.html">sync_io_fwd.hpp</a></div></div>
<div class="ttc" id="atransport__fwd_8hpp_html"><div class="ttname"><a href="transport__fwd_8hpp.html">transport_fwd.hpp</a></div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Thu May 2 2024 23:56:38 for Flow-IPC by&#160;<a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.4
</small></address>
</body>
</html>
